Central Illinois Manufacturing Company (Bement, IL, US) Primary Class: D15/9.1 International Classes: (IPC1-7): 1502 Field of Search: D15/7-93, D23/231, D23/232, D23/225, 417/60, 417/235, 417/265, 417/321, 417/355, 417/358, 417/363, 417/359, 417/410.1, 417/415-416, ...